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universidade de são paulo - Faculdade de Odontologia - Unesp

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83<br />

Tables<br />

Table 1 – Means and standard <strong>de</strong>viations (SD) of roughness (Ra - μm) of groups<br />

and surfaces (n=18).<br />

Groups<br />

Surfaces<br />

Smooth<br />

Roughened<br />

Control 0.30 (0.07) a 1.68 (0.56) b<br />

AAt/130 0.28 (0.09) a 1.95 (0.56) b<br />

Ar/50 0.30 (0.09) a 1.86 (0.52) b<br />

ArO 2 /70 0.28 (0.08) a 1.61 (0.45) b<br />

ArSF 6 /70 0.28 (0.08) a 1.79 (0.54) b<br />

Kruskall – Wallis p= 0.734 p=<br />

0.724<br />

Means followed by the same superscript lower case letters within each column are<br />

not significantly different at p = 0.01.

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